Kobra 3 Max 3D Printer vs Original Prusa MK4S

Technical comparison · Fused filament fabrication (FFF/FDM)

In brief

Kobra 3 Max 3D Printer and Original Prusa MK4S are two fused filament fabrication (fff/fdm) in a similar class. Choose Kobra 3 Max 3D Printer if work area matters more; choose Original Prusa MK4S if price matters more.

Parameter
Identity
Launch year 2025 2025
Use tier F2 — Intermediate F2 — Intermediate
Price
Price (€) 699 € 999 €
Price updated on 06/2026
Universal specs
Dimensions (W×D×H) (cm) 70.6 × 94 × 75.3 cm 50 × 55 × 40 cm
Weight (kg) 22.1 kg
Work area (mm) 420 × 420 mm 250 × 210 mm
Z-axis height (mm) 500 mm 220 mm
Voltage (V) 230 V
Maximum speed 600 mm/s 500 mm/s
Declared precision 0.05 mm
Category specs
XY print surface (mm) 420 mm
Maximum Z height (mm) 500 mm
Kinematics cartesian cartesian
Max nozzle temperature (°C) 300 °C
Max bed temperature (°C) 90 °C
Max print speed (mm/s) 600 mm/s
Closed chamber False False
Filament sensor True
Auto leveling mesh
Standard nozzle diameter (mm) 0.4 mm
Multi-extruder False False
Native Klipper True False
Input shaper True
Multicolor printing True True
Requires external accessory True True
Maximum colors 8
Ecosystem
Cloud dependency No No
Software notes Equipped with Kobra OS, a Klipper-based firmware, controllable via a 4.3-inch touchscreen. Compatible with Anycubic Slicer and third-party software like OrcaSlicer. Features Wi-Fi for remote control via app. Multicolor printing requires the ACE Pro module, sold separately. PrusaSlicer (optimized) and Prusa Connect for remote control. The machine accepts G-code from any slicer (Cura, Simplify3D) and communicates via USB, Ethernet or Wi-Fi using an open Marlin-based protocol. Compatible with OctoPrint and offline management. Does not require a Prusa account to print, unlike machines with proprietary firmware that block features without connection.

The differences that matter

  • Work area: Kobra 3 Max 3D Printer 420×420 mm vs Original Prusa MK4S 250×210 mm — Kobra 3 Max 3D Printer wins (+236%)
  • Price: Kobra 3 Max 3D Printer 699 € vs Original Prusa MK4S 999 € — Kobra 3 Max 3D Printer wins (+43%)
  • Native Klipper: Kobra 3 Max 3D Printer yes, Original Prusa MK4S no

Which one to choose

Choose Kobra 3 Max 3D Printer if…

you value work area, price and native klipper.

See the Kobra 3 Max 3D Printer sheet →

Choose Original Prusa MK4S if…

it shows no measurable advantage over Kobra 3 Max 3D Printer on the available specs: consider it on price or availability.

See the Original Prusa MK4S sheet →

MakerSpecs is an independent atlas. We don't sell products: this comparison links to both sheets, where you'll find complete data and official links.